/Engine/Source/Runtime/Engine/Classes/Materials/MaterialInstanceDynamic.h
Copy all interpolatable (scalar/vector) parameters from *SourceMaterialToCopyFrom to *this, using the current QualityLevel and given FeatureLevel For runtime use. More specialized and efficient thanCopyMaterialInstanceParameters().
void CopyScalarAndVectorParameters ( const [UMaterialInterface](API\Runtime\Engine\Materials\UMaterialInterface) & SourceMaterialToCopyFrom, [ERHIFeatureLevel::Type](API\Runtime\RHI\ERHIFeatureLevel__Type) FeatureLevel )